Loose-leaf book.



T. U. BRUHN.

LOOSE LEAP BOOK.

APPLICATION FILED MAR. 9, 1909.

-- Patented Sept. 14. 1909.

2 SHEETS-E HEET 1.

T. O. BRU HN.

LOOSE LEAF BOOK. APPLICATION FILED MAR.9,1909

Patented Sept. 14, 1905').

2 SHEETSSHBET "LQOSELEAF BOOK.

To (113 mm man come-m." i fie if Known t i. 'ilrnioijion Cmonms i 7 l i l he 'inan iuirqaeror,

Jenni, :1 of the i r ,iden of No; THC '3 Bahrenfelden :1 six-case; is itoiui-ilt'cnsen,

in new and useiui imi'irovcn o Y of who lemming have inieciively. the hi are cross tne heel: in positions re yective and "4" of shcetineilai. oi d-together by means of u ioin all. The pznris i and 5 and '7- present ihc 11$ ends of; she parts and 5 sthe rods and 3 While are connected means of 8., t with the par? and as means each pin"- OI a rigid The 6 and 7 is such Li; c scs c, prismatic space inc recepiion of a clev' ening and ciosi ng i i'his device cenhziinhle in lugs 11 ereon and. displaced or said nuts COHlp o gue bent in a circle y its i o and form of the each of i which so 40 oduci sn 5 of w an 1 two nuts when it rotates; each a tongue 10. h ""1- t Lire ntcr of which loczi'lied in thc 41s 01' ihe roe 1, and likewise directed 'obhqiu ong is 2) un:

19s extend rough sloi reiin she part 4% inio '4: huntedbetween the pew I-F'EQU the spindle i3 rot: s

4 gues 14) act as coins in r iie other against the out-2r or inner cnds of the slot 34 which reinforced by u i HU 17, and ciihci' force the cart air/21:; or bring closer.

' for the reception oi the spindle i3 is formed with :ifisqunre l3 a key by means of which ii un'iy he rotated in either direction. in

could of course he provided with :i jixed knob projecting somewhat from the mecl mnisin and servii'ig to relate the spindle 1S.

lrongs 16 are ineunled on ihe rods 2 and ihey are hunt into a circle the center of 'hich loeni'ed in he axis of he rod, L

| place of this square 13 ihe end of ihe spindle with ihe rods 1, 2 by means of screws 23, 25, The irons, ri 'hi hand disk 22 1S rovided wit a. hole 2"? or the reception 0 the key or knob intended to he placed on the square 13 on the spindle 18.

The device is c'onnecied with (he buck of the hook and the covers of the hook in the following nninner: A piece of card-board 28 or the like is arranged upon the parts 6 and I and provided with holes for the heads of the hoiis 8 and connecting the ports ii, 3 and f 7, was cloth or front (lower) and Qver the cardboard 28, conlesther is arranged, its rear (upper) end is turned over and stuck to the parts 5 and 7 and to the piece of; curd-hoard 28. Two inldiixienal. pieces of canvas, cloth or leather 30 are clamped by the screw bolts 8 and 9 hecween ihe aris 4, (S and 5, 7. board or like 31 is then fixed. in the known manner between the pieces of canvas, clo h or leather 329 and 30.

No metal p n-ins which might be inconvenient in use or scratch the table exist on the outer surface of a book embodying che invention.

closed because the leaves are pressed very ly together by means of the mechanism ie ha ck of the hook.

ii; is p" ihlc to arrange a larger or smaller number of loose leaves than originally intended in a book iormed in the manner described above. This additional oi smaller mun-tier of leaves is of course limited and olcpcnds upon the extent to which it is prac- Pawnee-d slept. ii-i Mimi,

are passed on The cai'clieai cannot be WiiIlKlZELWEI when the book spindle journaled within one of said members, nuts engaging the spindle, cam-faced tongues carried :by he' nuts and adapted to project'into the second member, and prongs secured to one of the member's.

2. A temporary binder comprising a. pair of pivot-ally connected hollow members," a spindle journaled within one of said membens'nuts engaging said spinme, cam-faced tongues carried by the nuts and ada ted to pr'oject into the second member, r0 s carried by both members, and prongs project in}; from said rods.

3. A temporar i 'binder col nprising a cover, I

" a pa'ir of pivotall connected hollow members secured thereto, a spindle journaled said spindle, cenrfaced tongues came by second member, and prongs secured to one of the members.

of pivotally connected hollow members, camof said members end edepfied to engage the other member, and a flexible back connected ti) the outer'ends of the hollow members.

522d day of February 1909. o THEODOR GLAUDIUS BRUHN.

I Nifimsses: l F. dorms Pores, p ERNEST H. L. MUMMENHOFF. I

within one of said members, nuts enga 'ng 4. A temporal? binder cbmprising a pair said nuts and adapted to project into the faced tongues operably secured within one I Signed by me at Hamburg, Germany this 

